Studying Evolution

A changing rate in protein changes is the only factor that influences the rate of biological evolution.

Drastic environmental changes can have an impact on the rate of biological evolution.

Major extinction events often mark the end of one geological period and the beginning of another.

Major extinction events always slow down the rate of evolution.

Vestigial structures are evidence of evolution because they indicate _______.

Which of the following most likely represents the sequences of evolutionary events that led to the evolution of whales?

Which of the following best describes the term “transitional form?”

Birds and reptiles share a more recent common ancestor than birds and dinosaurs like theropods.

The most recent common ancestor of humans and gorillas existed about 7 million years ago.

The scientific name for the human species is Homo sapiens.